Cita APA (7a ed.)
Koch, S. (1959). Psichology: A Study of a Science.
Cita estilo Chicago (17a ed.)
Koch, Sigmund. Psichology: A Study of a Science. 1959.
Cita MLA (9a ed.)
Koch, Sigmund. Psichology: A Study of a Science. 1959.
警告：這些引文格式不一定是100％准確.